Mixture Formation In Spark Ignition Engines

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Mixture Formation In Spark Ignition Engines

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Author : Hans Peter Lenz
language : en
Publisher: Springer
Release Date : 2013-11-11

Mixture Formation In Spark Ignition Engines written by Hans Peter Lenz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Technology & Engineering categories.

Twentyfour years have gone by since the publication of K. Lohner and H. Muller's comprehen sive work "Gemischbildung und Verbrennung im Ottomotor" in 1967 [1.1]' Naturally, the field of mixture formation and combustion in the spark-ignition engine has wit nessed great technological advances and many new findings in the intervening years, so that the time seemed ripe for presenting a summary of recent research and developments. There fore, I gladly took up the suggestion of the editors of this series of books, Professor Dr. H. List and Professor Dr. A. Pischinger, to write a book summarizing the present state of the art. A center of activity of the Institute of Internal-Combustion Engines and Automotive Engineering at the Vienna Technical University, which I am heading, is the field of mixture formation -there fore, many new results that have been achieved in this area in collaboration with the respective industry have been included in this volume. The basic principles of combustion are discussed only to that extent which seemect necessary for an understanding of the effects of mixture formation. The focal point of this volume is the mixture formation in spark-ignition engines, covering both the theory and actual design of the mixture formation units and appropriate intake manifolds. Also, the related measurement technology is explained in this work.

Mixture Formation In Spark Ignition Engines

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Author : Hans P. Lenz
language : en
Publisher: Springer
Release Date : 2012-03-14

Mixture Formation In Spark Ignition Engines written by Hans P. Lenz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-14 with Technology & Engineering categories.

Twentyfour years have gone by since the publication of K. Lohner and H. MOiler's comprehen sive work "Gemischbildung und Verbrennung im Ottomotor" in 1967 [1.1]. Naturally, the field of mixture formation and combustion in the spark-ignition engine has wit nessed great technological advances and many new findings in the intervening years, so that the time seemed ripe for presenting a summary of recent research and developments. There fore, I gladly took up the suggestion of the editors of this series of books, Professor Dr. H. List and Professor Dr. A. Pischinger, to write a book summarizing the present state of the art. A center of activity of the Institute of Internal-Combustion Engines and Automotive Engineering at the Vienna Technical University, which I am heading, is the field of mixture formation -there fore, many new results that have been achieved in this area in collaboration with the respective industry have been included in this volume. The basic principles of combustion are discussed only to that extent which seemed necessary for an understanding of the effects of mixture formation. The focal point of this volume is the mixture formation in spark-ignition engines, covering both the theory and actual design of the mixture formation units and appropriate intake manifolds. Also, the related measurement technology is explained in this work.

Injection Technologies And Mixture Formation Strategies For Spark Ignition And Dual Fuel Engines

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Author : Alessandro Ferrari
language : en
Publisher: SAE International
Release Date : 2022-06-24

Injection Technologies And Mixture Formation Strategies For Spark Ignition And Dual Fuel Engines written by Alessandro Ferrari and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-24 with Transportation categories.

Fuel injection systems and performance is fundamental to combustion engine performance in terms of power, noise, efficiency, and exhaust emissions. There is a move toward electric vehicles (EVs) to reduce carbon emissions, but this is unlikely to be a rapid transition, in part due to EV batteries: their size, cost, longevity, and charging capabilities as well as the scarcity of materials to produce them. Until these isssues are resolved, refining the spark-ignited engine is necessary address both sustainability and demand for affordable and reliable mobility. Even under policies oriented to smart sustainable mobility, spark-ignited engines remain strategic, because they can be applied to hybridized EVs or can be fueled with gasoline blended with bioethanol or bio-butanol to drastically reduce particulate matter emissions of direct injection engines in addition to lower CO2 emissions. In this book, Alessandro Ferrari and Pietro Pizzo provide a full review of spark-ignited engine fuel injection systems. The most popular typologies of fuel injection systems are considered, with special focus on state-of-the-art solutions. Dedicated sections on the methods for air mass evaluation, fuel delivery low-pressure modules, and the specific subsystems for idle, cold start, and warm-up control are also included. The authors pay special attention to mixture formation strategies, as they are a fundamental theme for SI engines. An exhaustive overview of fuel injection technologies is provided, and mixture formation strategies for spark ignited combustion engines are considered. Fuel Injection Systems illustrates the performance of these systems and will also serve as a reference for engineers who are active in the aftermarket, offering detailed information on fuel injection system solutions that are mounted in older vehicles.

Combustion Engines Development

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Author : Günter P. Merker
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-09-24

Combustion Engines Development written by Günter P. Merker and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-24 with Technology & Engineering categories.

Combustion Engines Development nowadays is based on simulation, not only of the transient reaction of vehicles or of the complete driveshaft, but also of the highly unsteady processes in the carburation process and the combustion chamber of an engine. Different physical and chemical approaches are described to show the potentials and limits of the models used for simulation.

Direct Injection Systems For Spark Ignition And Compression Ignition Engines

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Author : Cornel Stan
language : en
Publisher: SAE International
Release Date : 1999

Direct Injection Systems For Spark Ignition And Compression Ignition Engines written by Cornel Stan and has been published by SAE International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Technology & Engineering categories.

This book provides assistance in choosing and adapting a mixture formation concept for an engine application with known requirements. The book presents both a synthesis of modular concepts based on function characteristics and a system classification following the physical model. Topics are focused on the injection system itself, and specific technical solutions for new concepts are concretely described.Contents Include: Direct Injection as an Element of the Mixture Formation Concept Direct Injection Methods Physical Possibilities and Limits Direct Injection of Liquid Fuel with Damped Speed Influence on the Pressure Wave Direct Injection of Liquid Fuel with Quasi Constant Maximum Pressure Direct Injection of Liquid Fuel with Speed Independent Pressure Modulation Direct Injection of Fuel/Air Pre-Mixture with Mechanical Flow Control Direct Injection of Fuel/Air Pre-Mixture with Electronic Flow Control Injection Law Modulation Injection Systems with Speed Dependent Injection Law Injection Systems with Accumulated Fuel High-Pressure (Common Rail) Injection Systems with Speed Dependent Pressure Wave and Variable Flow Passage Injection Systems with Speed Independent Modulation of the Pressure Wave Injection Systems for Alternative Fuels.

Multiphysical Modelling Of Regular And Irregular Combustion In Spark Ignition Engines Using An Integrated Interactive Flamelet Approach

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Author : Linda Maria Beck
language : en
Publisher: Logos Verlag Berlin
Release Date : 2013

Multiphysical Modelling Of Regular And Irregular Combustion In Spark Ignition Engines Using An Integrated Interactive Flamelet Approach written by Linda Maria Beck and has been published by Logos Verlag Berlin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

The virtual development of future Spark Ignition (SI) engine combustion processes in three-dimensional Computational Fluid Dynamics (3D-CFD) demands for the integration of detailed chemistry, enabling - additionally to the 3D-CFD modelling of flow and mixture formation - the prediction of fuel-dependent SI engine combustion in all of its complexity. This work presents an approach, which constitutes a coupled solution for flame propagation, auto-ignition, and emission formation modelling incorporating detailed chemistry, while exhibiting low computational costs. For modelling the regular flame propagation, a laminar flamelet approach, the G-equation is used. Auto-ignition phenomena are addressed using an integrated flamelet approach, which bases on the tabulation of fuel-dependent reaction kinetics. By introducing a progress variable for the auto-ignition - the Ignition Progress Variable (IPV) - detailed chemistry is integrated in 3D-CFD. The modelling of emission formation bases on an interactively coupled flamelet approach, the Transient Interactive Flamelet (TIF) model. The functionality of the combined approach to model the variety of SI engine combustion phenomena is proved first in terms of fundamentals and standalone sub-model functionality studies by introducing a simplified test case, which represents an adiabatic pressure vessel without moving meshes. Following the basic functionality studies, the sub-model functionalities are investigated and validated in adequate engine test cases. It is shown, that the approach allows to detect locally occurring auto-ignition phenomena in the combustion chamber, and to model their interaction with regular flame propagation. Moreover, the approach enables the prediction of emission formation on cell level.

Computational Study Of Under Expanded Jets Mixture Formation And Combustion In Direct Injection Spark Ignition Hydrogen Engines

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Author : Arash Hamzehloo
language : en
Publisher:
Release Date : 2016

Computational Study Of Under Expanded Jets Mixture Formation And Combustion In Direct Injection Spark Ignition Hydrogen Engines written by Arash Hamzehloo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Formaldehyde As A Tracer To Examine Mixture Formation In Spark Ignited Engines

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Author : Aulia Muhammad Taufiq Nasution
language : en
Publisher: Cuvillier Verlag
Release Date : 2006

Formaldehyde As A Tracer To Examine Mixture Formation In Spark Ignited Engines written by Aulia Muhammad Taufiq Nasution and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

Fuel Economy

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Author : John C. Hilliard
language : en
Publisher: Springer Science & Business Media
Release Date : 1984-05

Fuel Economy written by John C. Hilliard and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-05 with Technology & Engineering categories.

Concern about the reduced availability and the increased cost of petroleum fuels prompted great efforts in recent years to reduce the fuel consumption of auto mobiles. The ongoing efforts to reduce fuel consumption have addressed many relevant factors, including increased engine performance, reduced friction, use of lightweight materials, and reduced aerodynamic drag. The results of the investigations assessing the various factors affecting fuel economy have been published in journals, conference proceedings, and in company and government reports. This proliferation of technical information makes it difficult for workers to keep abreast of aU developments. The material presented in this book brings together in a single volume much of the relevant materials, summarizes many of the state-of-the-art theories and data, and provides extensive lists of references. Thus, it is hoped that this book will be a useful reference for specialists and practicing engineers interested in the fuel economy of automobiles. J. C. HILLIARD o. S. SPRINGER vii CONTENTS 1. AUTOMOTIVE FUEL ECONOMY David Cole I. Introduction and Background. . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . n. Fuel Economy Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 A. Engine................................................... 11 B. Drive Train. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 . . . . . . . . . . . . . . C. Vehicle Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 . . . . . . . . . . . . . D. Operating Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 . . . . . . . . . . . . E. Test Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 . . . . . . . . . . . . . . References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 . . . . . . . . . . . . . . . . . 2. FUEL ECONOMY AND EMISSIONS J. T. Kummer I. Introduction .................................................. . 35 n. Emission Regulations .......................................... .

Computer Simulation Of Spark Ignition Engine Processes

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Author : V. Ganesan
language : en
Publisher: Universities Press
Release Date : 1996

Computer Simulation Of Spark Ignition Engine Processes written by V. Ganesan and has been published by Universities Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Spark ignition engines categories.

This book contains the theory and computer programs for the simulation of spark ignition (SI) engine processes. It starts with the fundamental concepts and goes on to the advanced level and can thus be used by undergraduates, postgraduates and Ph. D. scholars.